diff --git a/Dockerfile b/Dockerfile
index 0bb78f6..6cf99f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-kasmvnc:debianbullseye
+FROM ghcr.io/linuxserver/baseimage-kasmvnc:debianbookworm
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index ec05f42..96d0ab3 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-kasmvnc:arm64v8-debianbullseye
+FROM ghcr.io/linuxserver/baseimage-kasmvnc:arm64v8-debianbookworm
 
 # set version label
 ARG BUILD_DATE
diff --git a/README.md b/README.md
index 4e8ba59..51c4bd4 100644
--- a/README.md
+++ b/README.md
@@ -272,4 +272,5 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **03.08.23:** - Rebase to Bookworm and multi arch.
 * **01.04.23:** - Initial release.
diff --git a/readme-vars.yml b/readme-vars.yml
index d8bdc19..3f80ee2 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -78,4 +78,5 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "03.08.23:", desc: "Rebase to Bookworm and multi arch." }
   - { date: "01.04.23:", desc: "Initial release." }